• I. PCB njikwa nkọwapụta

• 1. PCB unpacking na nchekwa (1) PCB osisi akara na unopened nwere ike ozugbo ji online n'ime 2 ọnwa nke n'ichepụta ụbọchị (2) The PCB osisi n'ichepụta ụbọchị bụ n'ime 2 ọnwa, na unpacking ụbọchị ga-akara mgbe unpacking.(3) PCB bọọdụ nrụpụta ụbọchị dị n'ime ọnwa 2, mgbe ebupuchara ya, ọ ga-abụrịrị ịntanetị ma jiri ya mee ihe n'ime ụbọchị ise.
  2. PCB Postcure
• (1) Ọ bụrụ na ejiri PCB mechie ma bupu ya ihe karịrị ụbọchị 5 n'ime ọnwa 2 nke ụbọchị nrụpụta, biko biputere na 120 ± 5°C maka elekere 1.(2) Ọ bụrụ na PCB karịrị ọnwa 2 site na ụbọchị nrụpụta, biko biputere ya na 120 ± 5°C maka elekere 1 tupu ịga n'ịntanetị.
  (3) Ọ bụrụ na PCB bụ ọnwa 2 ruo 6 gara aga ụbọchị nrụpụta, biko biputere na 120 ± 5°C maka awa 2 tupu ịga n'ịntanetị.
  (4) Ọ bụrụ na PCB bụ ọnwa 6 ruo otu afọ gara aga ụbọchị nrụpụta, biko biputere ya na 120 ± 5°C maka awa 4 tupu ịga n'ịntanetị.
  (5) A ga-eji PCB eme ihe n'ime ụbọchị ise (tinye n'ime IR REFLOW), na PCB ga-etinyerịrị maka elekere ọzọ tupu enwee ike iji ya na ịntanetị.
  (6) Ọ bụrụ na PCB karịrị otu afọ site na ụbọchị nrụpụta, biko biputere ya na 120 ± 5°C maka awa 4 tupu ịga n'ịntanetị, wee ziga ya na ụlọ ọrụ PCB maka ịgbanye agba agba tupu ị na-aga n'ịntanetị.3. PCB postcure usoro(1) A na-edobe PCB buru ibu (ọdụ ụgbọ mmiri 16 na n'elu, gụnyere ọdụ ụgbọ mmiri 16) n'ụzọ kwụ ọtọ, nchịkọta ihe ruru 30 iberibe, mepee oven n'ime nkeji 10 ka emechara achịcha ahụ, wepụ PCB, ma mee ka ọ dị jụụ (mkpa). ka ịpịa ihe mgbochi plate bay fixture)

  (2) PCB nke obere na ọkara (gụnyere 8PORTs n'okpuru 8PORT) ka edobere n'ahịrị. Ọnụ ọgụgụ kacha elu nke nchịkọta bụ 40 iberibe. Ọnụọgụ ụdị vetikal enweghị oke. Mepee oven wee wepụ PCB n'ime nkeji iri ka emechara postcure. Ihe eji eme Banwan)

II. Nchekwa na nzizi nke PCB na mpaghara dị iche iche
The kpọmkwem oge nchekwa na postcure okpomọkụ nke PCB na-abụghị nanị metụtara mmepụta ike na mmepụta usoro nke PCB emeputa, ma nwee oké mmekọrịta na mpaghara.

PCB nke usoro OSP mere na usoro ọla edo dị ọcha na-emikpu n'ozuzu nwere ndụ nchekwa nke ọnwa 6 mgbe nkwakọchara, na anaghị atụ aro ka akpọọ nkụ maka usoro OSP.

Oge nchekwa na ime achịcha nke PCB nwere ọtụtụ ihe jikọrọ ya na mpaghara ahụ. N'ebe ndịda, iru mmiri na-adịkarị arọ karị, ọkachasị na Guangdong na Guangxi. N’ọnwa Mach na Eprel nke afọ ọ bụla, a ga-enwe ihu igwe “laghachi n’ebe ndịda” nke na-ada n’ígwé ojii na mmiri ozuzo kwa ụbọchị. Na-aga n'ihu, ọ dị oke iru mmiri n'oge a. A ghaghị iji PCB kpughee ikuku n'ime awa 24, ma ọ bụghị ya, ọ dị mfe oxidize. Mgbe emepechara nkịtị, ọ kacha mma iji ya na awa 8. Maka ụfọdụ PCB dị mkpa ka e sie ya, oge ịsa achịcha ga-adị ogologo. Na mpaghara ugwu, ihu igwe na-abụkarị nkụ, oge nchekwa PCB ga-adị ogologo, oge ịsa achịcha nwere ike ịdị mkpụmkpụ. The mmiri okpomọkụ bụ n'ozuzu 120 ± 5 ℃, na mmiri oge na-ekpebisi ike dị ka kpọmkwem ọnọdụ.